发明名称 Device for monitoring the function of a sirene
摘要 The invention relates to a device for monitoring the function of a sirene, containing a microphone and a circuit arrangement for processing the signal supplied by the microphone with respect to amplitude, frequency and duration. Such a device can be used for the comprehensive control of the functioning of a sirene by remote monitoring.
申请公布号 DE3536701(A1) 申请公布日期 1987.04.16
申请号 DE19853536701 申请日期 1985.10.15
申请人 HOERMANN GMBH 发明人 DUENGEL,PETER,DIPL.-PHYS.DR.-ING.;HOERMANN,HANS,DIPL.-ING.
分类号 G08B3/10;G08B29/10;(IPC1-7):G08B29/00;G10K7/00 主分类号 G08B3/10
代理机构 代理人
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